Buggy code:
public class ExecutionHandlerTest { private ExecutionHandler executionHandler ; @ Before public void setUp ( ) { } @ After public void tearDown ( ) { } @ Test public void getASTTest ( ) { } @ Test public void setASTTest ( ) { } @ Test public void getParserInterfaceTest ( ) { } @ Test public void getGlobalBreakpointTest ( ) { } @ Test public void getMessageSystemTest ( ) { } @ Test public void setAndGetPausedTest ( ) { } @ Test public void setAndGetParameterValuesTest ( ) { } @ Test public void addAndGetAndClearAssertionFailureTest ( ) { } @ Test public void getAndDestroyProgramExecutionTest ( ) { } @ Test public void addSuccessMessageTest ( ) { } @ Test public void printAssertionFailureMessageTest ( ) { } @ Test public void printAssertionFailureMessageTest2 ( ) { } @ Test public void parseTest ( ) throws RecognitionException { this . executionHandler . parse ( "main()<seq2seq4repair_space>{}" ) ; assertNotNull ( this . executionHandler . getAST ( ) ) ; this . executionHandler . setAST ( null ) ; <START_BUG> this . executionHandler . parse ( "main()<seq2seq4repair_space>{int<seq2seq4repair_space>i<seq2seq4repair_space>=<seq2seq4repair_space>§!§$}" ) ; <END_BUG> assertNull ( this . executionHandler . getAST ( ) ) ; try { this . executionHandler . parse ( "main()<seq2seq4repair_space>{int<seq2seq4repair_space>i<seq2seq4repair_space>=<seq2seq4repair_space>true;}" ) ; } catch ( IllegalTypeException expected ) { } try { this . executionHandler . parse ( ( "int<seq2seq4repair_space>g(int<seq2seq4repair_space>x){return<seq2seq4repair_space>0;}" + "main()<seq2seq4repair_space>{}<seq2seq4repair_space>ensure<seq2seq4repair_space>g(1);" ) ) ; } catch ( FunctionCallNotAllowedException expected ) { } } @ Test public void singleStepTest ( ) { } @ Test public void singleStepTest2 ( ) { } @ Test public void singleStepTest3 ( ) { } @ Test public void singleStepTest4 ( ) { } @ Test public void runTest ( ) { } @ Test public void runTest2 ( ) { } @ Test public void verifyTest ( ) { } @ Test public void verifyTest2 ( ) { } @ Test public void testLoop ( ) { } @ Test public void testArrayEqual ( ) { } @ Test public void testArrayNotEqualValues ( ) { } @ Test public void testArrayNotEqualLength ( ) { } @ Test public void testDivision ( ) { } @ Test public void testModulo ( ) { } @ Test public void testIf ( ) { } @ Test public void testIfElse ( ) { } @ Test public void testParams ( ) { } @ Test public void testArraySum ( ) { } @ Test public void testEmptyProgramEnsureTrue ( ) { } @ Test public void testAssignmentAndEnsure ( ) { } @ Test public void testQuantifiers ( ) { } @ Test public void testRecursion ( ) { } @ Test public void testArrays ( ) { } @ Test public void testEmptyProgram ( ) { } @ Test public void testAssumptions ( ) { } @ Test public void testNegation ( ) { } @ Test public void testEmptyExists ( ) { } @ Test public void testAssumptionsFail ( ) { } @ Test public void testQuantifierFail ( ) { } @ Test public void testDivZero ( ) { } @ Test public void testArrayLength ( ) { } @ Test public void testArrayIndexRead ( ) { } @ Test public void testArrayIndexAssign ( ) { } @ Test public void testModuloZero ( ) { } @ Test public void testExistsFail ( ) { } @ Test public void testForAllFail ( ) { } @ Test public void testEmptySetExistsFail ( ) { } @ Test public void testInvariantFailMiddle ( ) { } @ Test public void testInvariantFailBeginning ( ) { } @ Test public void testInvariantFailEnd ( ) { } @ Test public void testEmptyProgramEnsureFalse ( ) { } @ Test public void testAssumeFalse ( ) { } @ Test public void testRecursionFail ( ) { } @ Test public void testArraysFail ( ) { } @ Test public void testMethodAssumeFail ( ) { } @ Test public void testArrayParameterFail ( ) { } @ Test public void testArraySumFail ( ) { } }

Fix:
this . executionHandler . parse ( "main()<seq2seq4repair_space>{int<seq2seq4repair_space>i<seq2seq4repair_space>=<seq2seq4repair_space>Â§!Â§$}" ) ;